Answer / guest

The output of a transformer will be dependent on the power
factor of secondary,but this power factor varies depending
upon load ,hence the rating is not specified in
kilowatts,instead indicated by the product current and
voltage called VA RATING and is indicated in KVA

What is circuit breaker failure protection?

2 Answers  

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How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1 Answers  

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Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 Answers  

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how power saving takes place through VFD?

9 Answers  

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define B types and C types in MCB ?

3 Answers   Bhel,

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WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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How to calculate the value of capacitance of a capacitor used in power factor improvement plant if we know KVAR and voltages?

1 Answers  

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What are the main significances of root locus?

0 Answers  

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Why transformer is not rotating?

20 Answers   BARC, Nerolac,

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HAI,HOW TO SET THERMAL OVERLOAD RELAY FOR DOL STATRTER FEEDER AT START AND RUNNING?

4 Answers   L&T,

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

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why different series of vfds (like allenbradley)are used in industry ?

0 Answers  

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